try this debug info

Author: Andarist

.github/workflows/ci.yaml

@@ -31,7 +31,7 @@ jobs:
       - run: pnpm build
       - run: pnpm lint
       - run: pnpm format:check
-      - run: pnpm test:integration
+      - run: pnpm test:integration -- --testPathPattern="git\\.test\\.ts"
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           HEAD_OID: ${{ github.base_ref }}

src/test/integration/git.test.ts

@@ -364,7 +364,7 @@ describe("git", () => {
       });
     }
 
-    it(`should allow unchanged symlinks without throwing`, async () => {
+    it.only(`should allow unchanged symlinks without throwing`, async () => {
       const branch = `${TEST_BRANCH_PREFIX}-unchanged-symlink`;
       branches.push(branch);
 
@@ -390,6 +390,46 @@ describe("git", () => {
 
       await makeFileChanges(repoDirectory, "with-unchanged-symlink");
 
+      // DEBUG: Log symlink state before calling commitChangesFromRepo
+      const headOid = (
+        await git.log({ fs, dir: repoDirectory, ref: "HEAD", depth: 1 })
+      )[0]?.oid;
+      console.log("DEBUG: HEAD oid:", headOid);
+
+      // Check symlink in filesystem
+      const symlinkPath = path.join(repoDirectory, "some-dir", "nested");
+      const symlinkTarget = await fs.promises.readlink(symlinkPath);
+      const symlinkStat = await fs.promises.lstat(symlinkPath);
+      console.log("DEBUG: Symlink target from fs.readlink:", symlinkTarget);
+      console.log("DEBUG: Symlink isSymbolicLink:", symlinkStat.isSymbolicLink());
+
+      // Walk the tree to compare oids
+      const trees = [git.TREE({ ref: headOid! }), git.WORKDIR()];
+      await git.walk({
+        fs,
+        dir: repoDirectory,
+        trees,
+        map: async (filepath, [commit, workdir]) => {
+          if (filepath === "some-dir/nested") {
+            const commitOid = await commit?.oid();
+            const workdirOid = await workdir?.oid();
+            const commitMode = await commit?.mode();
+            const workdirMode = await workdir?.mode();
+            const commitType = await commit?.type();
+            const workdirType = await workdir?.type();
+            console.log("DEBUG: filepath:", filepath);
+            console.log("DEBUG: commit oid:", commitOid);
+            console.log("DEBUG: workdir oid:", workdirOid);
+            console.log("DEBUG: oids match:", commitOid === workdirOid);
+            console.log("DEBUG: commit mode:", commitMode?.toString(8));
+            console.log("DEBUG: workdir mode:", workdirMode?.toString(8));
+            console.log("DEBUG: commit type:", commitType);
+            console.log("DEBUG: workdir type:", workdirType);
+          }
+          return true;
+        },
+      });
+
       // The symlink was committed locally and is unchanged in workdir.
       // The tree walk should skip it since oids match.
       // GitHub push may fail because local commit doesn't exist on GitHub,